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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $624,568 | $1,355,247 | $743,343 | $544,130 | $453,833 | $664,001 | $1,632,150 |
| Wood screws other than coach screws, of iron/steel | $5,670,974 | $5,673,866 | $10,989,044 | $11,699,841 | $6,256,672 | $8,734,115 | $10,745,117 |
| Screw hooks & screw rings, of iron/steel | $731,196 | $854,438 | $1,306,635 | $1,571,085 | $859,460 | $989,869 | $1,192,890 |
| Self-tapping screws of iron/steel | $15,141,382 | $21,561,508 | $33,271,113 | $39,103,490 | $22,293,678 | $25,287,859 | $26,757,282 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $49,559,328 | $60,444,617 | $100,378,724 | $111,539,522 | $85,552,801 | $115,989,057 | $142,059,598 |
| Nuts of iron/steel | $11,489,415 | $14,549,579 | $27,436,385 | $30,396,069 | $18,999,533 | $23,842,599 | $31,998,575 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $9,553,430 | $10,420,050 | $13,582,559 | $16,524,853 | $17,078,380 | $19,967,579 | $35,290,413 |
| Spring washers & oth. lock washers, of iron/steel | $5,311,965 | $6,791,127 | $11,012,035 | $12,108,942 | $7,806,793 | $12,267,414 | $11,120,889 |
| Washers (excl. of 7318.21) of iron/steel | $9,853,338 | $14,416,327 | $19,445,493 | $18,937,183 | $12,406,042 | $17,449,651 | $27,759,337 |
| Rivets of iron/steel | $4,435,947 | $5,349,917 | $6,256,405 | $6,424,699 | $4,786,977 | $6,332,306 | $7,481,304 |
| Cotters & cotter-pins, of iron/steel | $3,588,513 | $4,370,740 | $4,773,159 | $5,005,414 | $3,411,966 | $10,145,709 | $11,734,091 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $20,285,884 | $20,761,033 | $37,346,816 | $42,925,557 | $22,197,903 | $25,788,070 | $34,823,233 |
| Total | $136,245,940 | $166,548,449 | $266,541,711 | $296,780,785 | $202,104,038 | $267,458,229 | $342,594,879 |
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